GEOGCS['GCS_WGS_1984', DATUM['D_WGS_1984', SPHEROID['WGS_1984',6378137,298.257223563]], PRIMEM['Greenwich',0], UNIT['Degree',0.017453292519943295]] (base) [jbk@theseus ltar_regionalization]$ g.proj -w GEOGCS['wgs84', DATUM['WGS_1984', SPHEROID['WGS_1984',6378137,298.257223563]], PRIMEM['Greenwich',0], UNIT['degree',0.0174532925199433]] Soil moisture is among the most important factors regulating soil biodiversity and functioning. Models forecast changes in the precipitation regime in many areas of the planet, but how these changes will influence soil functioning, and how biotic drivers modulate such effects, is far from being understood. We evaluated the responses of C and N fluxes, and soil microbial properties to different soil water regimes in soils from the main three ecotypes of the world's largest and most diverse tropical savanna. Further, we explored the direct and indirect effects of changes in the ecotype and soil water regimes on these key soil processes. Soils from the woodland savanna showed a better nutritional status than the other ecotypes, as well as higher potential N cycling rates, N2O emissions, and soil bacterial abundance but lower bacterial richness, whereas potential CO2 emissions and CH4 uptake peaked in the intermediate savanna. The ecotype also modulated the effects of changes in the soil water regime on nutrient cycling, greenhouse gas fluxes, and soil bacterial properties, with more intense responses in the intermediate savanna. Further, we highlight the existence of multiple contrasting direct and indirect (via soil microbes and abiotic properties) effects of an intensification of the precipitation regime on soil C- and N-related processes. Our results confirm that ecotype is a fundamental driver of soil properties and functioning in the Cerrado and that it can determine the responses of key soil processes to changes in the soil water regime.Theory suggests that the diversity of molecules in soil organic matter (SOM functional diversity) provides key insights on multiple ecosystem services. We aimed to investigate how and why SOM functional diversity and composition change as topsoils develop, and its implications for key soil functions (e.g., from nutrient pool to water regulation).
LocationWe reported data on 16 soil chronosequences globally distributed in nine countries from six continents.
Time Period2016\uffe2\uff80\uff932017.
Major Taxa StudiedSoil microbes (bacteria and fungi) and vascular plants.
MethodsSOM functional diversity and composition without mineral interference were measured using diffuse reflectance mid\uffe2\uff80\uff90infrared Fourier transform spectroscopy (DRIFT). We aimed to characterize the main environmental factors related to SOM functional diversity and composition. Also, we calculated the links among SOM functional diversity and key soil functions.
ResultsWe found that SOM functional diversity declines after millions of years of soil formation (pedogenesis). We further showed that increases in plant cover and productivity led to a higher ratio of reduced (e.g., alkanes) over oxidized carbon forms (i.e., C: O\uffe2\uff80\uff90functional groups ratio), which was positively correlated to SOM functional diversity as soils age. Our findings indicated that the plant footprint (i.e., the accumulation of plant\uffe2\uff80\uff90derived material promoting the C: O\uffe2\uff80\uff90functional group ratio) would explain the reduction of SOM functional diversity as ecosystems develop. Moreover, the dissimilarity in SOM composition consistently increased with soil age, with the soil development stage emerging as the main predictor of SOM dissimilarity across contrasting biomes.
Main ConclusionsOur global survey contextualized the natural history of SOM functional diversity and composition during long\uffe2\uff80\uff90term soil development. Together, we showed how plant footprint drives the losses of SOM functional diversity with increasing age, which might provide a novel mechanism to explain typically reported losses in ecosystem functions during ecosystem retrogression.A broader knowledge of the contribution of carbon (C) released by plant roots (exudates) to soil is a prerequisite for optimizing the management of organic matter in arable soils. This is the first study to show the contribution of constantly applied13C\uffe2\uff80\uff90labelled maize and wheat exudates to water extractable organic carbon (WEOC), microbial biomass\uffe2\uff80\uff90C (MB\uffe2\uff80\uff90C), and CO2\uffe2\uff80\uff90C evolution during a 25\uffe2\uff80\uff90day incubation of agricultural soil material. The CO2\uffe2\uff80\uff90C evolution and respective \uffce\uffb413C values were measured daily. The WEOC and MB\uffe2\uff80\uff90C contents were determined weekly and a newly developed method for determining \uffce\uffb413C values in soil extracts was applied. Around 36% of exudate\uffe2\uff80\uff90C of both plants was recovered after the incubation, in the order WEOC < MB\uffe2\uff80\uff90C < CO2\uffe2\uff80\uff90C for maize and MB\uffe2\uff80\uff90C < WEOC < CO2\uffe2\uff80\uff90C for wheat. Around 64% of added exudate\uffe2\uff80\uff90C was not retrieved with the methods used here. Our results suggest that great amounts of exudates became stabilized in non\uffe2\uff80\uff90water extractable organic fractions. The amounts of MB\uffe2\uff80\uff90C stayed relatively constant over time despite a continuous exudate\uffe2\uff80\uff90C supply, which is the prerequisite for a growing microbial population. A lack of mineral nutrients might have limited microbial growth. The CO2\uffe2\uff80\uff90C mineralization rate declined during the incubation and this was probably caused by a shift in the microbial community structure. Consequently, incoming WEOC was left in the soil solution leading to rising WEOC amounts over time. In the exudate\uffe2\uff80\uff90treated soil additional amounts of soil\uffe2\uff80\uff90derived WEOC (up to 110 \uffce\uffbcg g\uffe2\uff88\uff921) and MB\uffe2\uff80\uff90C (up to 60 \uffce\uffbcg g\uffe2\uff88\uff921) relative to the control were determined. We suggest therefore that positive priming effects (i.e. accelerated turnover of soil organic matter due to the addition of organic substrates) can be explained by exchange processes between charged, soluble C\uffe2\uff80\uff90components and the soil matrix. As a result of this exchange, soil\uffe2\uff80\uff90derived WEOC becomes available for mineralization.
", "keywords": ["2. Zero hunger", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land"], "contacts": [{"organization": "A. Gattinger, F. Buegger, M. Marx, J. C. Munch, A. Zsolnay,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.1111/j.1365-2389.2007.00911.x"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/European%20Journal%20of%20Soil%20Science", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1111/j.1365-2389.2007.00911.x", "name": "item", "description": "10.1111/j.1365-2389.2007.00911.x", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1111/j.1365-2389.2007.00911.x"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2007-03-27T00:00:00Z"}}, {"id": "10.1016/j.agee.2017.04.015", "type": "Feature", "geometry": null, "properties": {"updated": "2026-06-26T16:16:45Z", "type": "Journal Article", "created": "2017-05-06", "title": "Ecosystem service delivery of agri-environment measures: A synthesis for hedgerows and grass strips on arable land", "description": "Abstract In north western Europe, agricultural systems are generally managed to maximize the potential delivery of provisioning ecosystem services. This has often been at the expense of other ecosystem services. Because the current supply of most ecosystem services is insufficient to meet the increasing demand, particular attention to ecosystem service delivery and hence multifunctionality in agriculture is vital. In this paper, we quantitatively assessed the impact of hedgerows and grass strips bordering parcels with annual arable crops on the simultaneous delivery of a set of ecosystem services and from there we identified synergies and trade-offs on virtual parcels. After a systematic literature search, mixed models were applied on observations from 60 studies and quantitative effect relationships between ecosystem service delivery and hedgerow and grass strip characteristics were developed. Next to the hedgerow, until a distance of twice the hedgerow height, arable crop yield was reduced by 29%. Beyond this distance, until 20 times the hedgerow height, crop yield was increased by 6%. Compared to a similar arable parcel without hedgerow or grass strip, soil carbon stock was 22% higher in the hedgerow, on average 6% higher in the adjacent parcel next to the hedgerow and 37% higher in the upper 30\u00a0cm soil layer in the grass strip. Both hedgerows and grass strips intercepted nitrogen from the surface (69% and 67%, respectively) and subsurface (34% and 32%, respectively) flow and phosphorus (67% and 73%, respectively) and soil sediment (91% and 90%, respectively) from the surface flow. More natural predator species were found on parcels with hedgerows, but the number of predators was unaffected. On parcels with grass strips, both predator density and diversity was higher and aphid density was reduced. Our calculations on parcel level indicate that the trade-off between arable crop yield and regulating ecosystem services depends on hedgerow width and height and parcel dimensions. A similar trade-off is found on parcels with grass strips, but increasing grass strip width results in a proportionally higher delivery of regulating ecosystem services.", "keywords": ["2. Zero hunger", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.agee.2017.04.015"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Agriculture%2C%20Ecosystems%20%26amp%3B%20Environment", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.agee.2017.04.015", "name": "item", "description": "10.1016/j.agee.2017.04.015", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.agee.2017.04.015"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2017-06-01T00:00:00Z"}}, {"id": "10.1016/j.agsy.2016.06.007", "type": "Feature", "geometry": null, "properties": {"updated": "2026-06-26T16:16:50Z", "type": "Journal Article", "created": "2016-07-20", "title": "Greening And Producing: An Economic Assessment Framework For Integrating Trees In Cropping Systems", "description": "Abstract Environmental measures in an agricultural context often lead to extra constraints in current farming. This suggests trade-offs between the environmental objectives and profitability. Whether trade-offs exist, or may be turned into win-win, depends on creative farm options to comply new constraints. This paper concentrates on Ecological Focus Areas as a new EU Common Agricultural Policy greening requirement, and investigates profitability changes of two greening options with permanent woody elements, hedgerows and alley cropping. We predicted discounted gross margins for a hedgerow and alley cropping greening option and four market scenarios on a representative arable farm in Flanders (Belgium). Starting from the tree row, over a distance of 1.64 times the tree height, relative crop yield is 70% as compared to a treeless situation. Between 1.64 and 9.52 times the tree height, relative yield is 107%. Beyond that point, the effect is considered negligible. Discounted gross margins are calculated to account for the time horizon. Relative discounted gross margins at farm level, compared to the business as usual option, vary between 91% and 108%, depending on market conditions and policy support. The calculations show that fulfilment of the 5% ecological focus area greening requirement on arable farms with hedgerows and alley cropping only becomes economically competitive to the traditional cropping systems with extra financial stimuli (e.g. greening payments). We also show and discuss how the calculations can be fine-tuned and used in policy making, e.g. by i) getting better insights in the tree-crop interactions, ii) including the effect of e.g. crop type, tree species, tree line space and tree line orientation in the meta-information, iii) evaluating this conditional competitiveness and suggesting a better linking between subsidy level and ecological value and ecosystem services and iv) exploring novel valorization channels for wood products.", "keywords": ["2. Zero hunger", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "12. Responsible consumption", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.agsy.2016.06.007"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Agricultural%20Systems", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.agsy.2016.06.007", "name": "item", "description": "10.1016/j.agsy.2016.06.007", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.agsy.2016.06.007"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2016-10-01T00:00:00Z"}}, {"id": "2995887446", "type": "Feature", "geometry": null, "properties": {"updated": "2026-06-26T16:29:57Z", "type": "Journal Article", "created": "2019-12-18", "title": "Determining threshold values for root-soil water weighted plant water deficit index based smart irrigation", "description": "Trabajo desarrollado bajo la financiaci\u00f3n del proyecto \u201cSoil Hydrology research platform underpinning innovation to manage water scarcity in European and Chinese cropping Systems\u201d (773903), coordinado por Jos\u00e9 Alfonso G\u00f3mez Calero, investigador del Instituto de Agricultura Sostenible (IAS). Plant water deficit index (PWDI) represents the extent of water stress by relating soil moisture to the ability of a plant to take up water including consideration of the relative distribution of soil water to roots. However, for a smart irrigation decision support system, we are challenged in determining reliable thresholds of PWDI to initiate irrigation events to achieve predetermined yield and/or water use efficiency (WUE) targets. Taking drip irrigated maize and sprinkler irrigated alfalfa as examples, field experiments were conducted to investigate the choice and effects of PWDI thresholds. The results indicated that, with increasing PWDI thresholds, irrigation times and quantity of water, as well as crop transpiration, growth, and yield, were all significantly limited while WUE was enhanced except under extremely stressed conditions. To disconnect the unpredictable effects of other factors, yield and WUE were normalized to their corresponding potential values. Within the experimentally determined range of PWDI, relative yield and WUE were described with linear functions for maize, and linear and quadratic functions for alfalfa, allowing identification of the most efficient threshold value according to the objective parameter of choice. The method described can be adopted in smart irrigation decision support systems with consideration of spatial variability and after further verification and improvement under more complicated situations with various crop types and varieties, environmental conditions, cultivation modes, and wider or dynamic PWDI thresholds allowing regulated deficit irrigation. This research was supported partly by National Key Research and Development Program of China (2017YFE0118100, 2016YFD0200303), National Natural Science Foundation of China (U1706211, 51790532), Special Fund for Scientific Research in the Public Interest (201411009), and the European Union\u2019s Horizon 2020 research and innovation programme under Project SHui, grant agreement No 773903. Peer reviewed", "keywords": ["0106 biological sciences", "2. Zero hunger", "Yield", "PWDI", "Water stress", "Alfalfa", "Water use efficiency", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "6. Clean water", "Maize", "13. Climate action", "0401 agriculture", " forestry", " and fisheries"]}, "links": [{"href": "https://doi.org/2995887446"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Agricultural%20Water%20Management", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "2995887446", "name": "item", "description": "2995887446", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/2995887446"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2020-03-01T00:00:00Z"}}, {"id": "10.1002/ldr.2158", "type": "Feature", "geometry": null, "properties": {"updated": "2026-06-26T16:15:16Z", "type": "Journal Article", "created": "2012-04-03", "title": "Changes in soil organic carbon under eucalyptus plantations in brazil: a comparative analysis", "description": "ABSTRACTProper assessment of environmental quality or degradation requires knowledge of how terrestrial C pools respond to land use change. Forest plantations offer a considerable potential to sequester C in aboveground biomass. However, their impact on initial levels of soil organic carbon (SOC) varies from strong losses to gains, possibly affecting C balances in afforestation or reforestation initiatives. We compiled paired\uffe2\uff80\uff90plot studies on how SOC stocks under native vegetation change after planting fast\uffe2\uff80\uff90growth Eucalyptus species in Brazil, where these plantations are becoming increasingly important. SOC changes for the 0\uffe2\uff80\uff9320 and 0\uffe2\uff80\uff9340\uffe2\uff80\uff89cm depths varied between \uffe2\uff88\uff9225 and 42\uffe2\uff80\uff89Mg\uffe2\uff80\uff89ha\uffe2\uff88\uff921, following a normal distribution centered near zero. After replacing native vegetation by Eucalyptus plantations, mean SOC changes were \uffe2\uff88\uff921\uffc2\uffb75 and 0\uffc2\uffb73\uffe2\uff80\uff89Mg\uffe2\uff80\uff89ha\uffe2\uff88\uff921 for the 0\uffe2\uff80\uff9320 and 0\uffe2\uff80\uff9340\uffe2\uff80\uff89cm depths, respectively. These are very low figures in comparison to C stocks usually sequestered in aboveground biomass and were statistically nonsignificant as demonstrated by a t\uffe2\uff80\uff90test at p\uffe2\uff80\uff89<\uffe2\uff80\uff890\uffc2\uffb705. Similar low, nonsignificant SOC changes were estimated after data were stratified into first or second rotation cycles, soil texture and biome (savanna, rainforest or grassland). Although strong SOC losses or gains effectively occurred in some cases, their underpinning causes could not be generally identified in the present work and must be ascribed in a case basis, considering the full set of environmental and management conditions. We conclude that Eucalyptus spp. plantations in average have no net effect on SOC stocks in Brazil. Copyright \uffc2\uffa9 2012 John Wiley & Sons, Ltd.
", "keywords": ["Soil organic matter", "Carbon stocks", "Tropical soils", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "Fast-growth tree plantations", "Land use change"]}, "links": [{"href": "https://doi.org/10.1002/ldr.2158"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Land%20Degradation%20%26amp%3B%20Development", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1002/ldr.2158", "name": "item", "description": "10.1002/ldr.2158", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1002/ldr.2158"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2012-04-03T00:00:00Z"}}, {"id": "10.1016/j.agee.2004.04.001", "type": "Feature", "geometry": null, "properties": {"updated": "2026-06-26T16:16:35Z", "type": "Journal Article", "created": "2004-08-26", "title": "Carbon Sequestration In Tropical And Temperate Agroforestry Systems: A Review With Examples From Costa Rica And Southern Canada", "description": "Deforestation in the tropics, and fossil fuel burning in temperate regions contribute to the largest flux of CO 2 to the atmosphere. Therefore, land-use systems that increase the soil organic matter (SOM) pool and stabilize soil organic carbon (SOC) need to be implemented. Agroforestry systems have the potential to sequester atmospheric carbon (C) in trees and soil while maintaining sustainable productivity. The potential to sequester C in agroforestry systems in tropical and temperate regions is promising, but little information is available to date. The objective of this paper is to give an overview of the history of agroforestry and to outline differences in management practices between tropical and temperate systems. This review focuses on C inputs, SOC pools and SOC stabilization with highlights from Costa Rican and Canadian systems, and their role in C sequestration and trading. The potential to sequester C in aboveground components in agroforestry systems is estimated to be 2.1 \u00d7 10 9 Mg C year \u22121 in tropical and 1.9 \u00d7 10 9 Mg C year \u22121 in temperate biomes. However, the type of agroforestry systems and their capacity to sequester C vary globally. For example, alley cropping is an agroforestry practice where trees are integrated with crops, therefore storing C in the woody components of the trees and in the soil, with a continual addition of organic material from tree prunings and crop residues. Studies from Costa Rica have shown that a 10-year-old system with E. poeppigianasequestered C at a rate of 0.4 Mg C ha \u22121 year \u22121 in coarse roots and 0.3 Mg C ha \u22121 year \u22121 in tree trunks. Tree branches and leaves are added to the soil as mulch, contributing 1.4 Mg C ha \u22121 year \u22121 in addition to 3.0 Mg ha \u22121 year \u22121 from crop residues. This resulted in an annual increase of the SOC pool by 0.6 Mg ha \u22121 year \u22121 . Despite the two crop rotations in tropical agroforests, C input from crop residues is similar between the two biomes. The total organic matter input, however, is still greater in tropical systems due to the larger addition from tree prunings. This greater input does not necessarily increase the SOC pool significantly when compared to a temperate system of similar age as a result of faster turnover rates of the SOM pool. \u00a9 2004 Elsevier B.V. All rights reserved.", "keywords": ["2. Zero hunger", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.agee.2004.04.001"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Agriculture%2C%20Ecosystems%20%26amp%3B%20Environment", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.agee.2004.04.001", "name": "item", "description": "10.1016/j.agee.2004.04.001", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.agee.2004.04.001"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2004-12-01T00:00:00Z"}}, {"id": "10.1016/j.agee.2005.09.013", "type": "Feature", "geometry": null, "properties": {"updated": "2026-06-26T16:16:35Z", "type": "Journal Article", "created": "2005-11-18", "title": "Responses Of Soil Microbial Biomass And N Availability To Transition Strategies From Conventional To Organic Farming Systems", "description": "Abstract Organic farming can enhance soil biodiversity, alleviate environmental concerns and improve food safety through eliminating the applications of synthetic chemicals. However, yield reduction due to nutrient limitation and pest incidence in the early stages of transition from conventional to organic systems is a major concern for organic farmers, and is thus a barrier to implementing the practice of organic farming. Therefore, identifying transition strategies that minimize yield loss is critical for facilitating the implementation of organic practices. Soil microorganisms play a dominant role in nutrient cycling and pest control in organic farming systems, and their responses to changes in soil management practices may critically impact crop growth and yield. Here we examined soil microbial biomass and N supply in response to several strategies for transitioning from conventional to organic farming systems in a long-term field experiment in Goldsboro, NC, USA. The transitional strategies included one fully organic strategy (ORG) and four reduced-input strategies (withdrawal of each or gradual reduction of major conventional inputs\u2014synthetic fertilizers, pesticides (insecticides/fungicides), and herbicides), with a conventional practice (CNV) serving as a control. Microbial biomass and respiration rate were more sensitive to changes in soil management practices than total C and N. In the first 2 years, the ORG was most effective in enhancing soil microbial biomass C and N among the transition strategies, but was accompanied with high yield losses. By the third year, soil microbial biomass C and N in the reduced-input transition strategies were statistically significantly greater than those in the CNV (averaging 32 and 35% higher, respectively), although they were slightly lower than those in the ORG (averaging 13 and 17% lower, respectively). Soil microbial respiration rate and net N mineralization in all transitional systems were statistically significantly higher than those in the CNV (averagely 83 and 66% greater, respectively), with no differences among the various transition strategies. These findings suggest that the transitional strategies that partially or gradually reduce conventional inputs can serve as alternatives that could potentially minimize economic hardships as well as benefit microbial growth during the early stages of transition to organic farming systems.", "keywords": ["2. Zero hunger", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land"]}, "links": [{"href": "https://doi.org/10.1016/j.agee.2005.09.013"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Agriculture%2C%20Ecosystems%20%26amp%3B%20Environment", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.agee.2005.09.013", "name": "item", "description": "10.1016/j.agee.2005.09.013", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.agee.2005.09.013"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2006-04-01T00:00:00Z"}}, {"id": "10.1016/j.agee.2006.01.004", "type": "Feature", "geometry": null, "properties": {"updated": "2026-06-26T16:16:36Z", "type": "Journal Article", "created": "2006-03-01", "title": "Changes In Intrasystem N Cycling From N-2-Fixing Shrub Encroachment In Grassland: Multiple Positive Feedbacks", "description": "Nitrogen-fixing species can increase both the availability and cycling of nitrogen (N) in ecosystems. Autumn olive (Elaeagnus umbellata Thunb.) is an exotic woody shrub associated with N2-fixing actinomycetes that forms dense patches in disturbed landscapes (i.e., riparian zones adjacent to crop systems, old fields and agricultural grasslands) throughout the midwestern United States. We used paired plots dominated by either E. umbellata or C3 grassland to test whether the shrub encroachment altered pools and fluxes of nitrogen (N) and carbon (C) in the soil. Annual mean of NO3\u2010N concentrations in soil water collected from porous cup tension lysimeters every 2 weeks for 1 year was 20 times higher in soil beneath E. umbellata compared to grassland vegetation. Temporal variation in NO3\u2010N leaching occurred in the shrubencroached plots, with more nitrate leaching in the dormant season relative to the growing season. Potential net N mineralization, nitrification rates, and extractable N in the surface 10 cm of soil were also higher below E. umbellata. Following establishment of N2-fixing shrub patches for 7\u201013 years, the soil C:N ratio showed a declining trend due to lower total soil C rather than an increase in N. Labile carbon pools (i.e., microbial biomass C (MBC) and soil respiration rates) were lower in surface soil below E. umbellata, which demonstrated an additional positive feedback between encroachment of E. umbellata and N export. Less demand for mineralized N due to associated N2 fixation, coupled with higher rates of nitrification and lower microbial demand for N collectively contributed to higher export of N below the E. umbellata patched relative to the grassland system. Thus, areas invaded by this exotic N2-fixing species may function as N sources rather than the N conserving systems typically expected early successional communities following agricultural abandonment. # 2006 Elsevier B.V. All rights reserved.", "keywords": ["0106 biological sciences", "2. Zero hunger", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.agee.2006.01.004"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Agriculture%2C%20Ecosystems%20%26amp%3B%20Environment", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.agee.2006.01.004", "name": "item", "description": "10.1016/j.agee.2006.01.004", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.agee.2006.01.004"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2006-07-01T00:00:00Z"}}, {"id": "3168726210", "type": "Feature", "geometry": null, "properties": {"updated": "2026-06-26T16:30:19Z", "type": "Journal Article", "created": "2021-07-13", "title": "A talaj elektromos vezet\u0151k\u00e9pess\u00e9ge \u00e9s a term\u0151helyi z\u00f3n\u00e1k talajtulajdons\u00e1gai k\u00f6z\u00f6tti \u00f6sszef\u00fcgg\u00e9sek", "description": "Vizsg\uffc3\uffa1latunk c\uffc3\uffa9lja az volt, hogy egy Somogyban elhelyezked\uffc5\uff91, dombvid\uffc3\uffa9ki mintater\uffc3\uffbclet sz\uffc3\uffa1nt\uffc3\uffb3in elemezz\uffc3\uffbck a m\uffc3\uffa9rt talaj-vezet\uffc5\uff91k\uffc3\uffa9pess\uffc3\uffa9g (EC) \uffc3\uffa9rt\uffc3\uffa9kek \uffc3\uffa9s lehat\uffc3\uffa1rolt term\uffc5\uff91helyi (m\uffc5\uffb1vel\uffc3\uffa9si) z\uffc3\uffb3n\uffc3\uffa1k talajtulajdons\uffc3\uffa1gai k\uffc3\uffb6z\uffc3\uffb6tti \uffc3\uffb6sszef\uffc3\uffbcgg\uffc3\uffa9seket. A vizsg\uffc3\uffa1lt sz\uffc3\uffa1nt\uffc3\uffb3ter\uffc3\uffbcletek l\uffc3\uffb6sz\uffc3\uffb6n kialakult, t\uffc3\uffadpusos Ramann-f\uffc3\uffa9le barna erd\uffc5\uff91talajon \uffc3\uffa9s karbon\uffc3\uffa1tos csernozjom barna erd\uffc5\uff91talajon helyezkednek el. Feltalajuk d\uffc3\uffb6nt\uffc5\uff91en v\uffc3\uffa1lyog \uffc3\uffa9s agyagos v\uffc3\uffa1lyog fizikai f\uffc3\uffa9les\uffc3\uffa9g\uffc5\uffb1. A talaj vezet\uffc5\uff91k\uffc3\uffa9pess\uffc3\uffa9g\uffc3\uffa9t 50 \uffc3\uffa9s 100 cm-es talajm\uffc3\uffa9lys\uffc3\uffa9gben m\uffc3\uffa9rt\uffc3\uffbck.
A mintater\uffc3\uffbclet talajadatait t\uffc3\uffa9rinformatikai \uffc3\uffa1llom\uffc3\uffa1nyba foglaltuk, az adatok rendez\uffc3\uffa9s\uffc3\uffa9t \uffc3\uffa9s azok \uffc3\uffb6sszekapcsol\uffc3\uffa1s\uffc3\uffa1t az ESRI ArcGIS 10.0 programmal v\uffc3\uffa9gezt\uffc3\uffbck el. A t\uffc3\uffa1bl\uffc3\uffa1k heterogenit\uffc3\uffa1s\uffc3\uffa1t mutat\uffc3\uffb3 laborat\uffc3\uffb3riumi talajvizsg\uffc3\uffa1latok eredm\uffc3\uffa9nyeit a m\uffc3\uffa9rt EC \uffc3\uffa9rt\uffc3\uffa9kekkel \uffc3\uffb6sszevetett\uffc3\uffbck, amelyhez az IBM SPSS Statistics 20 szoftver seg\uffc3\uffadts\uffc3\uffa9g\uffc3\uffa9vel stepwise-t\uffc3\uffadpus\uffc3\uffba line\uffc3\uffa1ris regresszi\uffc3\uffb3t alkalmaztunk. A regresszi\uffc3\uffb3kat a talajvizsg\uffc3\uffa1latok csoportos\uffc3\uffadt\uffc3\uffa1s\uffc3\uffa1val megegyez\uffc5\uff91en: alap (\uffe2\uff80\uff9ea\uffe2\uff80\uff9d eset), b\uffc5\uff91v\uffc3\uffadtett (\uffe2\uff80\uff9eb\uffe2\uff80\uff9d eset) \uffc3\uffa9s teljesk\uffc3\uffb6r\uffc5\uffb1 (\uffe2\uff80\uff9ec\uffe2\uff80\uff9deset) alapj\uffc3\uffa1n futtattuk le. A sz\uffc3\uffa1m\uffc3\uffadt\uffc3\uffa1sokn\uffc3\uffa1l az \uffe2\uff80\uff9ea\uffe2\uff80\uff9d eset a talajtulajdons\uffc3\uffa1gokat meghat\uffc3\uffa1roz\uffc3\uffb3 fontosabb talajparam\uffc3\uffa9terek (k\uffc3\uffb6t\uffc3\uffb6tts\uffc3\uffa9g, humusz- \uffc3\uffa9s m\uffc3\uffa9sztartalom, k\uffc3\uffa9mhat\uffc3\uffa1s), a \uffe2\uff80\uff9eb\uffe2\uff80\uff9d eset az alap talajparam\uffc3\uffa9tereket \uffc3\uffa9s a makro t\uffc3\uffa1panyagok (NPK ell\uffc3\uffa1totts\uffc3\uffa1got), valamint a \uffe2\uff80\uff9ec\uffe2\uff80\uff9d eset az el\uffc5\uff91z\uffc5\uff91 kett\uffc5\uff91t \uffc3\uffa9s mikro t\uffc3\uffa1panyagok (Mg2+, Na+, Zn2+, Cu2+, Mn2+, SO42\uffe2\uff80\uff93, Fe2+ + Fe3+) k\uffc3\uffb6r\uffc3\uffa9t jelenti.
A k\uffc3\uffbcl\uffc3\uffb6nb\uffc3\uffb6z\uffc5\uff91 csoportos\uffc3\uffadt\uffc3\uffa1sban elv\uffc3\uffa9gzett elemz\uffc3\uffa9sek sor\uffc3\uffa1n arra voltunk k\uffc3\uffadv\uffc3\uffa1ncsiak, hogy a vizsg\uffc3\uffa1lati talajparam\uffc3\uffa9terek k\uffc3\uffb6r\uffc3\uffa9nek v\uffc3\uffa1ltoztat\uffc3\uffa1s\uffc3\uffa1val szorosabb kapcsolatokat tal\uffc3\uffa1lunk-e a m\uffc3\uffa9rt \uffc3\uffa1tlagos EC \uffc3\uffa9rt\uffc3\uffa9kek \uffc3\uffa9s a talajtulajdons\uffc3\uffa1gok k\uffc3\uffb6z\uffc3\uffb6tt. Az eredm\uffc3\uffa9nyeink \uffc3\uffa1ltal kaphatunk-e olyan kell\uffc5\uff91 pontoss\uffc3\uffa1g\uffc3\uffba \uffc3\uffa9s megb\uffc3\uffadzhat\uffc3\uffb3s\uffc3\uffa1g\uffc3\uffba becsl\uffc5\uff91modellt, amely a talajok t\uffc3\uffa9rbeli heterogenit\uffc3\uffa1s\uffc3\uffa1t megmutatja az EC \uffc3\uffa9rt\uffc3\uffa9kek alapj\uffc3\uffa1n, \uffc3\uffadgy a m\uffc3\uffb3dszer nagyban meggyors\uffc3\uffadthatja \uffc3\uffa9s leegyszer\uffc5\uffb1s\uffc3\uffadtheti a \uffe2\uff80\uff9ehagyom\uffc3\uffa1nyos\uffe2\uff80\uff9d talajvizsg\uffc3\uffa1latokhoz k\uffc3\uffa9pest a term\uffc5\uff91helyi z\uffc3\uffb3n\uffc3\uffa1k elk\uffc3\uffbcl\uffc3\uffb6n\uffc3\uffadt\uffc3\uffa9s\uffc3\uffa9t.
A vizsg\uffc3\uffa1lati eredm\uffc3\uffa9nyeink alapj\uffc3\uffa1n elmondhat\uffc3\uffb3, hogy mindh\uffc3\uffa1rom regresszi\uffc3\uffb3s csoportos\uffc3\uffadt\uffc3\uffa1s eset\uffc3\uffa9n a tengerszint feletti magass\uffc3\uffa1g cs\uffc3\uffb6kken\uffc3\uffa9s\uffc3\uffa9vel ar\uffc3\uffa1nyosan n\uffc5\uff91 a talaj-vezet\uffc5\uff91k\uffc3\uffa9pess\uffc3\uffa9g, illetve az EC \uffc3\uffa9rt\uffc3\uffa9kek n\uffc3\uffb6veked\uffc3\uffa9s\uffc3\uffa9vel n\uffc5\uff91 a talajok k\uffc3\uffb6t\uffc3\uffb6tts\uffc3\uffa9ge, amellyel egy\uffc3\uffbctt n\uffc3\uffb6vekszik az agyagtartalom is. Ez a folyamat 100 cm-es talajm\uffc3\uffa9lys\uffc3\uffa9gben a nagyobb v\uffc3\uffadztartalom miatt er\uffc5\uff91teljesebben jelentkezik, mint az 50 cm-es talajm\uffc3\uffa9lys\uffc3\uffa9gben. A term\uffc5\uff91helyi z\uffc3\uffb3n\uffc3\uffa1k term\uffc3\uffa9kenys\uffc3\uffa9gi viszonyait az els\uffc5\uff91dleges talajtulajdons\uffc3\uffa1gokon, illetve a makro \uffc3\uffa9s a mikro t\uffc3\uffa1panyag-ell\uffc3\uffa1totts\uffc3\uffa1gokon k\uffc3\uffadv\uffc3\uffbcl a domborzati viszonyok is m\uffc3\uffb3dos\uffc3\uffadthatj\uffc3\uffa1k. A talajellen\uffc3\uffa1ll\uffc3\uffa1s m\uffc3\uffa9r\uffc3\uffa9se b\uffc3\uffa1rki sz\uffc3\uffa1m\uffc3\uffa1ra el\uffc3\uffa9rhet\uffc5\uff91, gyors \uffc3\uffa9s egyszer\uffc5\uffb1 m\uffc3\uffb3dszer. A laborat\uffc3\uffb3riumi talajvizsg\uffc3\uffa1latokat kieg\uffc3\uffa9sz\uffc3\uffadtve alkalmas arra, hogy a prec\uffc3\uffadzi\uffc3\uffb3s n\uffc3\uffb6v\uffc3\uffa9nytermeszt\uffc3\uffa9sben seg\uffc3\uffadts\uffc3\uffa9get ny\uffc3\uffbajtson a term\uffc5\uff91helyi z\uffc3\uffb3n\uffc3\uffa1k lehat\uffc3\uffa1rol\uffc3\uffa1s\uffc3\uffa1ban.
Our aim was to analyse the relationships between the measured soil electrical conductivity (EC) and the soil properties of different delimited production (tillage) zones in a hillside sample area situated in Somogy county. The examined arable lands are situated in typical Ramann-type brown forest soil and chernozem-brown forest soil mostly with loam and clay loam formed on loess. For the investigations, two soil resistance values (measured at 50 cm and 100 cm depth) were used.
Soil data of the sample area were incorporated into a GIS file, the ordering and connection of the data was performed by ESRI ArcGIS 10.0 program. The results of the soil laboratory tests (which show soil heterogeneity) were correlated to the measured EC-values with stepwise linear regression using IBM SPSS Statistics 20 software. The regression were run in line with the alignment of soil investigations: basic (case \uffe2\uff80\uff9ea\uffe2\uff80\uff9d), extended (case \uffe2\uff80\uff9eb\uffe2\uff80\uff9d) and completed (case \uffe2\uff80\uff9ec\uffe2\uff80\uff9d). By the calculations, case \uffe2\uff80\uff9ea\uffe2\uff80\uff9d means the group of the most important soil parameters which are determinative soil characteristics (upper limit of plasticity or KA, humus-, lime content, pH), case \uffe2\uff80\uff9eb\uffe2\uff80\uff9d means the previous one plus the group of macronutrients (NPK-content), while case \uffe2\uff80\uff9ec\uffe2\uff80\uff9d means case \uffe2\uff80\uff9eb\uffe2\uff80\uff9d plus the group of micronutrients (Mg2+, Na+, Zn2+, Cu2+, Mn2+, SO42\uffe2\uff80\uff93, Fe2+ + Fe3+).
With the analyses made in different alignments our aim was to determine whether with the changing of examined soil parameters there will be tighter relationships between the measured EC-values and soil properties. Further aim was to examine whether it is possible to make a properly accurate and reliable estimation model, which can show the real soil circumstances (spatial heterogeneity of soils) based on EC-values, since this method can accelerate and simplify the separation of productivity zones compared to the conventional soil examinations.
Based on the results it can be concluded that in case of all the three regression groups the electrical conductivity increases proportionally with the decreasing of elevation. Besides, with the increasing of EC-values the KA \uffe2\uff80\uff93 and with it, the clay content also \uffe2\uff80\uff93 increases. This process develops in a more significant way in the depth of 100 cm than in 50 cm because of the higher water content. Besides the primary soil characteristics and the amount of macro- and micronutrients, the fertility conditions of the production zones can be affected by the geographical circumstances as well. The measurement of soil resistance is a fast, easy and generally available method, which is suitable \uffe2\uff80\uff93 with the completion of laboratory examinations \uffe2\uff80\uff93 for giving assistance to delineate the production zones in the precision crop production.\u00a050\u00a0\u03bcm, the first method showed a higher MP abundance, namely 418-2571 MP m-3 with MP mass estimates of 703-1900\u00a0\u03bcg\u00a0m-3, while the second method yielded 16.7-72.1 MP m-3 with mass estimates of 222-439\u00a0\u03bcg\u00a0m-3. Looking deeper into the steps of the methods showed that the MP isolation procedure contributed slightly to the difference in the result. However, the variability between individual samples was larger than the difference caused by the methods. Somewhat sample-dependent, the use of two different substrates (zinc selenide windows versus Anodisc filters) caused a substantial difference between results. This was due to a higher tendency for particles to agglomerate on the Anodisc filters, and an 'IR-halo' around particles on ZnSe windows when scanning with \u03bcFTIR. Finally, the \u03bcFTIR settings and nominal resolution caused significant differences in identifying MP size and mass estimate, which showed that the smaller the pixel size, the more accurately the particle boundary can be defined. These findings contributed to explaining disagreements between studies and addressed the importance of harmonization of methods.", "keywords": ["Methodological approaches", "Microplastic isolation", "Comparisons", "13. Climate action", "Microplastics", "0211 other engineering and technologies", "02 engineering and technology", "FTIR analysis", "01 natural sciences", "6. Clean water", "0105 earth and related environmental sciences"]}, "links": [{"href": "https://doi.org/37619728"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Science%20of%20The%20Total%20Environment", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "37619728", "name": "item", "description": "37619728", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/37619728"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2023-12-01T00:00:00Z"}}, {"id": "10.1007/s00442-003-1391-4", "type": "Feature", "geometry": null, "properties": {"updated": "2026-06-26T16:15:43Z", "type": "Journal Article", "created": "2003-12-10", "title": "Carbon Availability Controls The Growth Of Detritivores (Lumbricidae) And Their Effect On Nitrogen Mineralization", "description": "Activity of soil decomposer microorganisms is generally limited by carbon availability, but factors controlling saprophagous soil animals remain largely unknown. In contrast to microorganisms, animals are unable to exploit mineral nutrient pools. Therefore, it has been suggested that soil animals, and earthworms in particular, are limited by the availability of nitrogen. In contrast to this view, a strong increase in density and biomass of endogeic earthworms in response to labile organic carbon addition has been documented in field experiments. The hypothesis that the growth of endogeic earthworms is primarily limited by carbon availability was tested in a laboratory experiment lasting for 10 weeks. In addition, it was investigated whether the effects of earthworms on microbial activity and nutrient mineralization depend on the availability of carbon resources. We manipulated food availability to the endogeic earthworm species Octolasion tyrtaeum by using two soils with different organic matter content, providing access to different amounts of soil, and adding labile organic carbon (glucose) enriched in (13)C. Glucose addition strongly increased the growth of O. tyrtaeum. From 8 to 17% of the total C in earthworm tissue was assimilated from the glucose added. Soil microbial biomass was not strongly affected by the addition of glucose, though basal respiration was significantly increased and up to 50% of the carbon added as glucose was incorporated into soil organic matter. The impact of earthworms on the mineralization and leaching of nitrogen depended on C availability. As expected, in C-limited soil, the presence of earthworms strongly increased nitrogen leaching. However, when C availability was increased by the addition of glucose, this pattern was reversed, i.e. the presence of O. tyrtaeum decreased nitrogen leaching and its availability to soil microflora. We conclude that irrespective of the total carbon content of soils, O. tyrtaeum was primarily limited by carbon, and that increased carbon availability allowed earthworms to be more effective in mobilizing N. The presence of earthworms increases C limitation of soil microorganisms, due to increased availability of N and P in earthworm casts or a direct depletion of easily available carbon resources by earthworms.", "keywords": ["0106 biological sciences", "2. Zero hunger", "Carbon Isotopes", "Nitrogen", "Population Dynamics", "Biological Availability", "Phosphorus", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "Carbon", "Soil", "Animals", "0401 agriculture", " forestry", " and fisheries", "Oligochaeta", "Soil Microbiology"]}, "links": [{"href": "https://doi.org/10.1007/s00442-003-1391-4"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Oecologia", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1007/s00442-003-1391-4", "name": "item", "description": "10.1007/s00442-003-1391-4", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1007/s00442-003-1391-4"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2004-01-01T00:00:00Z"}}, {"id": "10.1016/j.geoderma.2008.04.005", "type": "Feature", "geometry": null, "properties": {"updated": "2026-06-26T16:17:47Z", "type": "Journal Article", "created": "2008-05-30", "title": "Tillage And Cropping Intensification Effects On Soil Aggregation: Temporal Dynamics And Controlling Factors Under Semiarid Conditions", "description": "Open AccessPeer reviewed", "keywords": ["2. Zero hunger", "Water aggregate stability", "Semiarid agroecosystems", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "Mean weight diameter", "6. Clean water", "Tillage"]}, "links": [{"href": "https://doi.org/10.1016/j.geoderma.2008.04.005"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Geoderma", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.geoderma.2008.04.005", "name": "item", "description": "10.1016/j.geoderma.2008.04.005", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.geoderma.2008.04.005"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2008-06-01T00:00:00Z"}}, {"id": "10.1051/agro/2010030", "type": "Feature", "geometry": null, "properties": {"updated": "2026-06-26T16:19:37Z", "type": "Journal Article", "created": "2010-09-17", "title": "Effects Of Fertilization And Soil Management On Crop Yields And Carbon Stabilization In Soils. A Review", "description": "The study of sustainable land use is complex and long-term experiments are required for a better understanding of the processes of carbon stabilization. Objectives were (i) to describe for four long-term experiments the effects of fertilization and soil management on crop yields and the dynamics of soil organic carbon (SOC) and total N, and (ii) to discuss the usefulness of models for a better understanding of the underlying processes. Data of soil organic carbon and total N of four long-term experiments in Germany and China which studied the effect of fertilization (Bad Lauchstadt, Darmstadt) and tillage (Gottingen, Quzhou) were evaluated and soil organic carbon fractionation was carried out. The Rothamsted Carbon Model was used for a description and prediction of soil organic carbon dynamics as affected by fertilization and tillage in Bad Lauchstadt and Quzhou. The type of fertilizer added at common rates \u2014 either mineral N or farmyard manure \u2014 affected the crop yields only slightly, with slightly lower yields after manure application compared with mineral N fertilization. For both fertilization trials, manure applications at common rates had beneficial effects on soil organic carbon stocks in the labile pool (turnover time estimated as 0.25 mm). For Quzhou, no-tillage and conventional tillage had similar effects on total C stocks, with a greater spatial variability in soil organic carbon stocks in the no-tillage plots. Modeling required site-specific calibrations for the stock of inert organic matter for each of the sites, indicating that not all carbon stabilization processes are included in the model and that application of a model to a new site may also need site-specific adjustments before it can be used for predictions. After site-specific calibration, however, model predictions for the remaining treatments were generally accurate for the fertilization and tillage trials, which emphasizes the importance of temperature, moisture, soil cover and clay content on the decomposition dynamics of soil organic carbon and the significance of amounts and quality of carbon inputs in the soil for maintaining or increasing soil organic carbon stocks in arable soils.", "keywords": ["2. Zero hunger", "[SDV.SA] Life Sciences [q-bio]/Agricultural sciences", "[SDV.EE] Life Sciences [q-bio]/Ecology", " environment", "Environmental Engineering", "13. Climate action", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "Agronomy and Crop Science", "6. Clean water"]}, "links": [{"href": "https://doi.org/10.1051/agro/2010030"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Agronomy%20for%20Sustainable%20Development", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1051/agro/2010030", "name": "item", "description": "10.1051/agro/2010030", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1051/agro/2010030"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2010-09-20T00:00:00Z"}}, {"id": "10.1016/j.geoderma.2004.12.006", "type": "Feature", "geometry": null, "properties": {"updated": "2026-06-26T16:17:46Z", "type": "Journal Article", "created": "2005-01-05", "title": "Importance Of Canopy Herbivores To Dissolved And Particulate Organic Matter Fluxes To The Forest Floor", "description": "Few studies deal with the origin and contribution of organic matter (OM) fluxes from forest canopies to the variability of DOM and nutrient dynamics in the' forest floor. Recent studies indicate a microbial and phytophages origin of OM in the throughfall of temperate forest ecosystems and reported inputs of dissolved (<0.45 \u03bcm) organic carbon (DOC) with throughfall range between 40 and 160 kg C ha -1 year -1 . Data on particulate organic matter (0.45 \u03bcm The impacts of invasive plant control on native animals are rarely evaluated. Using data from an eight\uffe2\uff80\uff90year study in southeastern Australia, we quantified the effects on native bird, mammal, and reptile species of (1) the abundance of the invasive Bitou Bush, Chrysanthemoides monilifera ssp. rotundata, and (2) a Bitou Bush control program, which involved repeated herbicide spraying interspersed with prescribed burning. We found that overall species richness of birds, mammals, and reptiles and the majority of individual vertebrate species were unresponsive to Bitou Bush cover and the number of plants. Two species including the nationally endangered Eastern Bristlebird (Dasyurus brachypterus) responded positively to measures of native vegetation cover following the control of Bitou Bush. Analyses of the effects of different components of the treatment protocol employed to control Bitou Bush revealed (1) no negative effects of spraying on vertebrate species richness; (2) negative effects of spraying on only one individual species (Scarlet Honeyeater); and (3) lower bird species richness but higher reptile species richness after fire. The occupancy of most individual vertebrates species was unaffected by burning; four species responded negatively and one positively to fire. Our study indicated that actions to remove Bitou Bush generally have few negative impacts on native vertebrates. We therefore suggest that controlling this highly invasive exotic plant species has only very limited negative impacts on vertebrate biota. Despite the perceived importance of exudation to forest ecosystem function, few studies have attempted to examine the effects of elevated temperature and nutrition availability on the rates of root exudation and associated microbial processes. In this study, we performed an experiment in whichin situexudates were collected fromPicea asperataseedlings that were transplanted in disturbed soils exposed to two levels of temperature (ambient temperature and infrared heater warming) and two nitrogen levels (unfertilized and 25\uffc2\uffa0g N\uffc2\uffa0m\uffe2\uff88\uff922\uffc2\uffa0a\uffe2\uff88\uff921). Here, we show that the trees exposed to an elevated temperature increased their exudation rates I (\uffce\uffbcg\uffc2\uffa0C\uffc2\uffa0g\uffe2\uff88\uff921root biomass\uffc2\uffa0h\uffe2\uff88\uff921), II (\uffce\uffbcg\uffc2\uffa0C\uffc2\uffa0cm\uffe2\uff88\uff921\uffc2\uffa0root length\uffc2\uffa0h\uffe2\uff88\uff921) and III (\uffce\uffbcg\uffc2\uffa0C\uffc2\uffa0cm\uffe2\uff88\uff922\uffc2\uffa0root area\uffc2\uffa0h\uffe2\uff88\uff921) in the unfertilized plots. The altered morphological and physiological traits of the roots exposed to experimental warming could be responsible for this variation in root exudation. Moreover, these increases in root\uffe2\uff80\uff90derived C were positively correlated with the microbial release of extracellular enzymes involved in the breakdown of organic N (R2\uffc2\uffa0=\uffc2\uffa00.790;P\uffc2\uffa0=\uffc2\uffa00.038), which was coupled with stimulated microbial activity and accelerated N transformations in the unfertilized soils. In contrast, the trees exposed to both experimental warming and N fertilization did not show increased exudation rates or soil enzyme activity, indicating that the stimulatory effects of experimental warming on root exudation depend on soil fertility. Collectively, our results provide preliminary evidence that an increase in the release of root exudates into the soil may be an important physiological adjustment by which the sustained growth responses of plants to experimental warming may be maintained via enhanced soil microbial activity and soil N transformation. Accordingly, the underlying mechanisms by which plant root\uffe2\uff80\uff90microbe interactions influence soil organic matter decomposition and N cycling should be incorporated into climate\uffe2\uff80\uff90carbon cycle models to determine reliable estimates of long\uffe2\uff80\uff90term C storage in forests. Increasing temperatures and a reduction in the frequency and severity of freezing events have been linked to species distribution shifts. Across the globe, mangrove ranges are expanding toward higher latitudes, likely due to diminishing frequency of freezing events associated with climate change. Continued warming will alter coastal wetland plant dynamics both above\uffe2\uff80\uff90 and belowground, potentially altering plant capacity to keep up with sea level rise. We conducted an in situ warming experiment, in northeast Florida, to determine how increased temperature (+2\uffc2\uffb0C) influences co\uffe2\uff80\uff90occurring mangrove and salt marsh plants. Warming was achieved using passive warming with three treatment levels (ambient, shade control, warmed). Avicennia germinans, the black mangrove, exhibited no differences in growth or height due to experimental warming, but displayed a warming\uffe2\uff80\uff90induced increase in leaf production (48%). Surprisingly, Distichlis spicata, the dominant salt marsh grass, increased in biomass (53% in 2013 and 70% in 2014), density (41%) and height (18%) with warming during summer months. Warming decreased plant root mass at depth and changed abundances of anaerobic bacterial taxa. Even while the poleward shift of mangroves is clearly controlled by the occurrences of severe freezes, chronic warming between these freeze events may slow the progression of mangrove dominance within ecotones. The present review covers developments in studies of nanomaterials (NMs) in the environment since our much cited review in 2008. We discuss novel insights into fate and behavior, metrology, transformations, bioavailability, toxicity mechanisms, and environmental impacts, with a focus on terrestrial and aquatic systems. Overall, the findings were that: 1) despite substantial developments, critical gaps remain, in large part due to the lack of analytical, modeling, and field capabilities, and also due to the breadth and complexity of the area; 2) a key knowledge gap is the lack of data on environmental concentrations and dosimetry generally; 3) substantial evidence shows that there are nanospecific effects (different from the effects of both ions and larger particles) on the environment in terms of fate, bioavailability, and toxicity, but this is not consistent for all NMs, species, and relevant processes; 4) a paradigm is emerging that NMs are less toxic than equivalent dissolved materials but more toxic than the corresponding bulk materials; and 5) translation of incompletely understood science into regulation and policy continues to be challenging. There is a developing consensus that NMs may pose a relatively low environmental risk, but because of uncertainty and lack of data in many areas, definitive conclusions cannot be drawn. In addition, this emerging consensus will likely change rapidly with qualitative changes in the technology and increased future discharges. Environ Toxicol Chem 2018;37:2029\uffe2\uff80\uff932063. \uffc2\uffa9 2018 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals, Inc. on behalf of SETAC. Arbuscular mycorrhizal fungi (AMF) perform key soil ecosystem services and, because of their symbiotic relationship with plant roots, may be exposed to the plant protection products (PPPs) applied to soils and crops. In 2017, the European Food Safety Authority (EFSA) released a scientific opinion addressing the state of the science on risk assessment of PPPs for in-soil organisms, recommending the inclusion of AMF ecotoxicological testing in the PPP regulatory process. However, it is not clear how this can be implemented in a tiered, robust, and ecologically relevant manner. Through a critical review of current literature, we examine the recommendations made within the EFSA report and the methodologies available to integrate AMF into the PPP risk assessment and provide perspective and commentary on their agronomic and ecological relevance. We conclude that considerable research questions remain to be addressed prior to the inclusion of AMF into the in-soil organism risk assessment, many of which stem from the unique challenges associated with including an obligate symbiont within the PPP risk assessment. Finally, we highlight critical knowledge gaps and the further research required to enable development of relevant, reliable, and robust scientific tests alongside pragmatic and scientifically sound guidance to ensure that any future risk-assessment paradigm is adequately protective of the ecosystem services it aims to preserve. Environ Toxicol Chem 2022;41:1808\uffe2\uff80\uff931823. \uffc2\uffa9 2022 The Authors. Environmental Toxicology and Chemistry published by Wiley Periodicals LLC on behalf of SETAC.\u00a00.6) and exchangeable acidity (r\u00a0=\u00a0\u22120.5) patterns were dependent upon the concentration of exchangeable Ca2+. Soil Mg2+ and K+ concentrations were correlated with soil C concentration in the surface layer (r\u00a0=\u00a00.5). In coarse-textured soils, a decadal time scale was insufficient to measure significant changes in the mineral soil C pool. Carbon benefits may be gained, however, in aboveground (tree and forest floor) and belowground (roots) biomass accumulations. SRWC plantations are an effective land-use option to restore degraded lands of arid regions.", "keywords": ["2. Zero hunger", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land"], "contacts": [{"organization": "Fabio Sartori, Rattan Lal, James A. Eaton, Michael H. Ebinger,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.1016/j.agee.2007.01.026"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Agriculture%2C%20Ecosystems%20%26amp%3B%20Environment", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.agee.2007.01.026", "name": "item", "description": "10.1016/j.agee.2007.01.026", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.agee.2007.01.026"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2007-11-01T00:00:00Z"}}, {"id": "10.1016/j.agee.2007.01.026,", "type": "Feature", "geometry": null, "properties": {"updated": "2026-06-26T16:16:36Z", "type": "Journal Article", "created": "2007-04-11", "title": "Changes In Soil Carbon And Nutrient Pools Along A Chronosequence Of Poplar Plantations In The Columbia Plateau, Oregon, Usa", "description": "Abstract Establishment of short-rotation woody crop (SRWC) plantations for meeting the demand of wood and bioenergy production necessitates reclamation of agricultural lands and desert soils, such as those in the southern Columbia Plateau of Oregon, USA. The effects of plantation management on soil carbon (C) storage and nutrient concentration were evaluated, using a chronosequence of poplar (Populus spp.) stands on soils of eolian origin (Xeric Torripsamments). Stands of ages 1, 3, 4, 7, 9, and 10 years (n\u00a0=\u00a03 per stand age), as well as adjacent agricultural and desert lands, were compared based on soil C, inorganic C (SIC), total nitrogen (N), and nutrient concentrations within the 0- to 50-cm soil depth. The 7- through 10-year-old stands that were in a first-rotation cycle were irrigated and fertilized. The 1- through 4-year-old stands in a second-rotation cycle received a mulch application treatment in addition to the irrigation and fertilization treatments. At age 11 years, the projected plantation C (147.5\u00a0Mg\u00a0ha\u22121) accumulated almost entirely in the aboveground biomass (62.2%), forest floor (24.3%), and roots (11.7%). There were no significant increases in the mineral soil C and N pools with stand age, despite the presence of increasing trends within the surface layer. The accumulation of the mineral soil C pool (\u223c1.8%), from the first- (23.5\u00a0\u00b1\u00a01.7\u00a0Mg\u00a0C\u00a0ha\u22121) to the second-rotation stands (26.3\u00a0\u00b1\u00a03.5\u00a0Mg\u00a0C\u00a0ha\u22121), was partially offset by a loss of SIC due to irrigation. The SIC pool had a decreasing trend, which was related to dissolution of calcite along the soil profile, from the first- (16.7\u00a0\u00b1\u00a03.4\u00a0Mg\u00a0C\u00a0ha\u22121) to the second-rotation stands (8.4\u00a0\u00b1\u00a05.0\u00a0Mg\u00a0C\u00a0ha\u22121). Soil pH (r\u00a0>\u00a00.6) and exchangeable acidity (r\u00a0=\u00a0\u22120.5) patterns were dependent upon the concentration of exchangeable Ca2+. Soil Mg2+ and K+ concentrations were correlated with soil C concentration in the surface layer (r\u00a0=\u00a00.5). In coarse-textured soils, a decadal time scale was insufficient to measure significant changes in the mineral soil C pool. Carbon benefits may be gained, however, in aboveground (tree and forest floor) and belowground (roots) biomass accumulations. SRWC plantations are an effective land-use option to restore degraded lands of arid regions.", "keywords": ["2. Zero hunger", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land"], "contacts": [{"organization": "Fabio Sartori, Rattan Lal, James A. Eaton, Michael H. Ebinger,", "roles": ["creator"]}]}, "links": [{"href": "https://doi.org/10.1016/j.agee.2007.01.026,"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Agriculture%2C%20Ecosystems%20%26amp%3B%20Environment", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.agee.2007.01.026,", "name": "item", "description": "10.1016/j.agee.2007.01.026,", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.agee.2007.01.026,"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2007-11-01T00:00:00Z"}}, {"id": "10.1016/j.agee.2007.04.002", "type": "Feature", "geometry": null, "properties": {"updated": "2026-06-26T16:16:36Z", "type": "Journal Article", "created": "2007-06-08", "title": "Ecosystem Carbon Gains From Afforestation In The Boreal Transition Ecozone Of Saskatchewan (Canada) Are Coupled With The Devolution Of Black Chernozems", "description": "Abstract A field study was conducted to assess the long-term effects of growing trees on ecosystem and soil carbon (C) pools in a pasture landscape situated in the Boreal Transition ecozone of Saskatchewan that is characterized by Black Chernozemic soils. Tree species consisted of white spruce (Picea glauca (Moench) Voss) and Siberian larch (Larix sibirica Lebed.) and had been growing for 50 years before soils were sampled and analyzed for C and N concentrations, particle size distribution, and bulk density. Above- and belowground (roots) biomass were also determined respectively by allometry and soil washing. Ecosystem C gains in the forested plots were evident when compared to pasture plots. Most of this gain was attributed to the standing biomass and to lesser extent to forest floor development. However, C pools in the Black Chernozemic A horizons were decreased under trees and were apparently redistributed to the B horizons. Multiple linear models developed to explain C levels in the mineral soil at different depths indicated a significant shift from soil C being driven by root litter quality in the Ah horizons to being driven by root litter quantity in the B horizons. The model of C redistribution was consistent with other studies and is closely tied to root production and quality. Whether a new steady-state C level in the Chernozemic A horizons was reached still needs to be elucidated, but previous research in the region suggest that tree invasion on well-drained Black Chernozems could lead to \u201cdechernozemization\u201d through acidification and C loss.", "keywords": ["0106 biological sciences", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences"]}, "links": [{"href": "https://doi.org/10.1016/j.agee.2007.04.002"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Agriculture%2C%20Ecosystems%20%26amp%3B%20Environment", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.agee.2007.04.002", "name": "item", "description": "10.1016/j.agee.2007.04.002", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.agee.2007.04.002"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2008-01-01T00:00:00Z"}}, {"id": "10.1016/j.agee.2007.04.004", "type": "Feature", "geometry": null, "properties": {"updated": "2026-06-26T16:16:36Z", "type": "Journal Article", "created": "2007-05-26", "title": "Modeling Biogeochemical Impacts Of Alternative Management Practices For A Row-Crop Field In Iowa", "description": "Abstract The management of contemporary agriculture is rapidly shifting from single-goal to multi-goal strategies. The bottleneck of implementing the strategies is the capacity of predicting the simultaneous impacts of change in management practices on agricultural production, soil and water resources and environmental safety. Process-based models provide an opportunity to quantify the impacts of farm management options on various pools and fluxes of carbon (C) and nitrogen (N) in agroecosystems. The denitrification\u2013decomposition or DNDC model was recently modified for simulating N cycling for the U.S. Midwestern agricultural systems. This paper reports a continuous effort on applying the model for estimating the impacts of alternative management practices (e.g., no-till, cover crop, change in fertilizer rate or timing) on agro-ecosystems in the Midwestern U.S. A typical row-crop field in Iowa was selected for the sensitivity tests. The modeled results were assessed with a focus on four major indicators of agro-ecosystems, namely crop yield, soil organic carbon (SOC) sequestration, nitrate\u2013N leaching loss and nitrous oxide (N2O) emissions. The results indicated that no-till practice significantly increased SOC storage and reduced nitrate\u2013N leaching rate, but slightly decreased crop yield and increased N2O emissions. By modifying the methods of fertilizer application in conjunction with the no-till practice, the disadvantages of no-till could be overcome. For example, increasing the fertilizing depth and using a nitrification inhibitor could substantially reduce N2O emissions and increase crop yield under the no-till conditions. This study revealed the complexity of impacts of the alternative farming management practices across different climate conditions, soil properties and management regimes. Process-based models can play an important role in quantifying the comprehensive effects of management alternatives on agricultural production and the environment.", "keywords": ["2. Zero hunger", "13. Climate action", "11. Sustainability", "0401 agriculture", " forestry", " and fisheries", "04 agricultural and veterinary sciences", "15. Life on land", "01 natural sciences", "7. Clean energy", "0105 earth and related environmental sciences", "12. Responsible consumption"]}, "links": [{"href": "https://doi.org/10.1016/j.agee.2007.04.004"}, {"rel": "related", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/Agriculture%2C%20Ecosystems%20%26amp%3B%20Environment", "name": "related record", "description": "related record", "type": "application/json"}, {"rel": "self", "type": "application/geo+json", "title": "10.1016/j.agee.2007.04.004", "name": "item", "description": "10.1016/j.agee.2007.04.004", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items/10.1016/j.agee.2007.04.004"}, {"rel": "collection", "type": "application/json", "title": "Collection", "name": "collection", "description": "Collection", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main"}], "time": {"date": "2008-01-01T00:00:00Z"}}], "links": [{"rel": "self", "type": "application/geo+json", "title": "This document as GeoJSON", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=ET&offset=50&f=json", "hreflang": "en-US"}, {"rel": "alternate", "type": "text/html", "title": "This document as HTML", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=ET&offset=50&f=html", "hreflang": "en-US"}, {"rel": "collection", "type": "application/json", "title": "Collection URL", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main", "hreflang": "en-US"}, {"type": "application/geo+json", "rel": "prev", "title": "items (prev)", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=ET&offset=0", "hreflang": "en-US"}, {"rel": "next", "type": "application/geo+json", "title": "items (next)", "href": "https://repository.soilwise-he.eu/cat/collections/metadata:main/items?keywords=ET&offset=100", "hreflang": "en-US"}], "numberMatched": 14084, "numberReturned": 50, "distributedFeatures": [], "timeStamp": "2026-06-27T04:26:25.531311Z"}